linux-kernel - [PATCH v7 0/2] regulator: pf530x: NXP PF530x regulator driver

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Message-Id: <20250902-pf530x-v7-0-10eb2542f944@carnegierobotics.com>
Date: Fri, 05 Sep 2025 08:39:41 -0400
From: Woodrow Douglass via B4 Relay <devnull+wdouglass.carnegierobotics.com@...nel.org>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Woodrow Douglass <wdouglass@...negierobotics.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v7 0/2] regulator: pf530x: NXP PF530x regulator driver

I wrote this driver to read settings and state from the nxp pf530x
regulator. Please consider it for inclusion, any criticism is welcome.

Thanks,
Woodrow Douglass

--
2.39.5

---
Changes in v7:.
- make vrange and pf530x_range_desc const, removed unused driver_data pointer
- Drop "nxp,pf5301" and "nxp,pf5302" from of_device_id list, allow fallback
- Add Reviewed-by to the dt-binding from Krzysztof Kozlowski (Thanks!)
- Link to v6: https://lore.kernel.org/r/20250902-pf530x-v6-0-ae5efea2198d@carnegierobotics.com

Changes in v6:
- Make sure that the device tree binding properly references regulator.yaml
- Link to v5: https://lore.kernel.org/r/20250902-pf530x-v5-0-658c403e6a52@carnegierobotics.com

Changes in v5:
- Fixed compatibility match to properly fall back to pf5300
- Reordered patches so that devicetree schema comes before the driver itself
- Modified nxp,pf5300 schema to pass `make dt_binding_check`
- Link to v4: https://lore.kernel.org/r/20250902-pf530x-v4-0-4727f112424e@carnegierobotics.com

Changes in v4:
- Added REGULATOR_ERROR_OVER_TEMP_WARN to pf530x_get_error_flags
- Added EMREV to the info print
- Link to v3: https://lore.kernel.org/r/20250902-pf530x-v3-0-4242e7687761@carnegierobotics.com

Changes in v3:
- Replaced REGCACHE_RBTREE with REGCACHE_MAPLE
- Replaced pf530x_is_enabled function with regulator_is_enabled_regmap
- Added status bits from INT_SENSE1 to pf530x_get_status function
- Added extra context to info print upon chip identification
- Reworked devtree to not require nested "regulators" subnode
- Some minor reformatting of comment style and long lines
- Link to v2: https://lore.kernel.org/r/20250902-pf530x-v2-0-f105eb073cb1@carnegierobotics.com

---
Woodrow Douglass (2):
      regulator: dt-bindings: nxp,pf530x: Add NXP PF5300/PF5301/PF5302 PMICs
      regulator: pf530x: Add a driver for the NXP PF5300 Regulator

 .../devicetree/bindings/regulator/nxp,pf5300.yaml  |  54 +++
 MAINTAINERS                                        |   6 +
 drivers/regulator/Kconfig                          |  12 +
 drivers/regulator/Makefile                         |   1 +
 drivers/regulator/pf530x-regulator.c               | 375 +++++++++++++++++++++
 5 files changed, 448 insertions(+)
---
base-commit: b320789d6883cc00ac78ce83bccbfe7ed58afcf0
change-id: 20250902-pf530x-6db7b921120c

Best regards,
-- 
Woodrow Douglass <wdouglass@...negierobotics.com>